Made in USA
XR-1 Sportsman Racing Muffler
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BORLAPART NUMBER: 157-40947

XR-1 Sportsman Racing Muffler

$19399
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Sportsman Racing Mufflers
XR-1 Sportsman Racing Muffler
  • 4 in. Center Inlet/4 in. Center Outlet
  • 4.5 in. x 7.88 in. Oval
  • 12 in. Long Body
  • T-304 Stainless Steel
  • Sold Individually

    The XR-1 Sportsman Racing Muffler delivers a durable, performance-tuned exhaust solution built to last.

    Borla 40947 Features:

    • Universal muffler. Reversible design.
    • 4 in. Center Inlet/4 in. Center Outlet 4.25 in. x 7.88 in. Oval x 12 in. Long Body 17 in. Overall Length.
    • Compact size is perfect for applications with limited space.
    • Un-Notched necks are designed for weld in installation.
    • Multicore Racing Mufflers

      Borla XR-1 Racing Mufflers are the choice of today's hottest drag and oval track racers. With a patented straight-through design and multicore technology, Borla XR-1 Mufflers actually outflowed a straight pipe in repeated testing. They use sound-absorbing stainless steel packing to prevent burnout and meet the strictest noise requirements. Hands down, Borla's XR-1 Series offers the best balance of sound and power. 

    Part TypeMuffler
    Product LineBorla XR-1 Racing Mufflers
    BrandBORLA
    Package Height5.0
    Package Width10.2
    Package Length20.6
    Weight8.23 PG
    Part CategoryPerformance Parts
    Outlet QuantityOne
    Inlet LocationCenter
    Inlet PositionCenter
    Main Piping Diameter4.000 in.
    Inlet TypeSingle Center Inlet
    Inlet Size (In.)4
    Outlet StyleStandard, without tip
    Muffler FinishBrushed
    Body Length12.000 in.
    Muffler Count1
    Inlet Diameter4 in (101.6 mm)
    Inlet QuantityOne
    Outlet Outside Diameter4.000 in.
    Muffler MaterialStainless steel
    Outlet Size4 in (101.6 mm)
    ConstructionAll Welded
    Inlet Connection TypePipe
    Outlet Diameter4 in (101.6 mm)
    QuantitySold individually
    Overall Length17.000 in.
    MaterialT-304 Stainless Steel
    Case Length12 in (304.8 mm)
    Internal ConstructionStraight-through baffled
    Case ShapeOval
    Body Width4.500 in.
    Off Road Use OnlyNo
    Outlet LocationCenter
    Body Height7.880 in.
    Outlet TypeSingle Center Outlet
    Part FitmentUniversal
    Outlet PositionCenter
    Grade TypePerformance
    Vendor Part Number40947
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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